chrome-native-messaging | Transform streams for writing Chrome App native messaging | Runtime Evironment library
kandi X-RAY | chrome-native-messaging Summary
kandi X-RAY | chrome-native-messaging Summary
Transform streams for writing Chrome App native messaging hosts in Node.js.
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Top functions reviewed by kandi - BETA
- Parse the buffer .
- handles message recursively
- Input of stream .
- Transform stream .
- Display a pre message in the console .
- Output Transform stream
- Debug stream .
chrome-native-messaging Key Features
chrome-native-messaging Examples and Code Snippets
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Trending Discussions on chrome-native-messaging
QUESTION
I am trying to write a native messaging host for chrome in golang. For this purpose, I tried using chrome-go as well as chrome-native-messaging packages. Both presented with the same problem as explained below.
Here is the code. I have added the relevant parts from the chrome-go package to the main file instead of importing it for easy understanding.
The following code actually works when I send a json message to it like {content:"Apple Mango"}. However, it stops working once the length of the json goes over approximately 65500 characters, give or take a 100 characters. There is no error output either.
...ANSWER
Answered 2018-Nov-30 at 16:41There is a limitation of a pipe buffer which varies across systems. Mac OS X, for example, uses a capacity of 16384 bytes by default.
You can use this bash script to check your buffer capacity:
QUESTION
I am using the Google Chrome Native Messaging which says that it supplies UTF8 encoded JSON. Found here.
I am pretty sure my code is fairly standard and pretty much a copy from answers here in C#. For example see this SO question.
...ANSWER
Answered 2019-Sep-29 at 00:20"Each message is serialized using JSON, UTF-8 encoded and is preceded with 32-bit message length in native byte order. The maximum size of a single message from the native messaging host is 1 MB." This implies that the message length is in bytes, also, that the length is not part of the message (and so its length is not included in length).
Your confusion seems to stem from one of two things:
- UTF-8 encodes a Unicode codepoint in 1 to 4 code units. (A UTF-8 code unit is 8 bits, one byte.)
Char
is a UTF-16 code unit. (A UTF-16 code unit is 16 bits, two bytes. UTF-16 encodes a Unicode codepoint in 1 to 2 code units.)
There is no way to tell how many codepoints or UTF-16 code units are in the message until after it is converted (or scanned, but then you might as well just convert it).
Then, presumably, stream
will either be found to be closed or the next thing to read would be another length and message.
So,
QUESTION
Utilizing the code at How do I use a shell-script as Chrome Native Messaging host application as a template and given the file file.json
which contains
ANSWER
Answered 2018-Jan-22 at 21:01Assuming that file.json contains the JSON as indicated, I believe all you will need is:
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